<template>
  <div class="dashboard-container">
    <el-row :gutter="40" class="panel-group">
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <router-link :to="{ path: '/exam/paper/list' }">
          <div class="card-panel">
            <div class="card-panel-icon-wrapper icon-people">
              <svg-icon icon-class="exam" class-name="card-panel-icon" />
            </div>
            <div class="card-panel-description">
              <div class="card-panel-text">试卷总数</div>
              <count-to
                :start-val="0"
                :end-val="examPaperCount"
                :duration="2600"
                class="card-panel-num"
                v-loading="loading"
              />
            </div>
          </div>
        </router-link>
      </el-col>
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <router-link :to="{ path: '/exam/question/list' }">
          <div class="card-panel">
            <div class="card-panel-icon-wrapper icon-message">
              <svg-icon icon-class="question" class-name="card-panel-icon" />
            </div>
            <div class="card-panel-description">
              <div class="card-panel-text">题目总数</div>
              <count-to
                :start-val="0"
                :end-val="questionCount"
                :duration="3000"
                class="card-panel-num"
                v-loading="loading"
              />
            </div>
          </div>
        </router-link>
      </el-col>
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <router-link :to="{ path: '/answer/list' }">
          <div class="card-panel">
            <div class="card-panel-icon-wrapper icon-shopping">
              <svg-icon icon-class="doexampaper" class-name="card-panel-icon" />
            </div>
            <div class="card-panel-description">
              <div class="card-panel-text">答卷总数</div>
              <count-to
                :start-val="0"
                :end-val="doExamPaperCount"
                :duration="3600"
                class="card-panel-num"
                v-loading="loading"
              />
            </div>
          </div>
        </router-link>
      </el-col>
      <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
        <div class="card-panel">
          <div class="card-panel-icon-wrapper icon-money">
            <svg-icon icon-class="doquestion" class-name="card-panel-icon" />
          </div>
          <div class="card-panel-description">
            <div class="card-panel-text">答题总数</div>
            <count-to
              :start-val="0"
              :end-val="doQuestionCount"
              :duration="3200"
              class="card-panel-num"
              v-loading="loading"
            />
          </div>
        </div>
      </el-col>
    </el-row>
    <el-row class="echarts-line">
      <div
        id="echarts-moth-user"
        style="width: 100%; height: 400px"
        v-loading="loading"
      />
    </el-row>
    <el-row class="echarts-line">
      <div
        id="echarts-moth-question"
        style="width: 100%; height: 400px"
        v-loading="loading"
      />
    </el-row>
  </div>
</template>

<script>
import resize from "./components/mixins/resize";
import CountTo from "vue-count-to";
import dashboardApi from "@/api/dashboard";
export default {
  mixins: [resize],
  components: {
    CountTo,
  },
  data() {
    return {
      examPaperCount: 0,
      questionCount: 0,
      doExamPaperCount: 0,
      doQuestionCount: 0,
      echartsUserAction: null,
      echartsQuestion: null,
      loading: false,
    };
  },
  mounted() {
    // eslint-disable-next-line no-undef
    this.echartsUserAction = echarts.init(
      document.getElementById("echarts-moth-user"),
      "macarons"
    );
    // eslint-disable-next-line no-undef
    this.echartsQuestion = echarts.init(
      document.getElementById("echarts-moth-question"),
      "macarons"
    );
    let _this = this;
    this.loading = true;
    dashboardApi.index().then((re) => {
      let response = re.response;
      _this.examPaperCount = response.examPaperCount;
      _this.questionCount = response.questionCount;
      _this.doExamPaperCount = response.doExamPaperCount;
      _this.doQuestionCount = response.doQuestionCount;
      _this.echartsUserAction.setOption(
        this.option(
          "用户活跃度",
          "{b}日{c}度",
          response.mothDayText,
          response.mothDayUserActionValue
        )
      );
      _this.echartsQuestion.setOption(
        this.option(
          "题目月数量",
          "{b}日{c}题",
          response.mothDayText,
          response.mothDayDoExamQuestionValue
        )
      );
      this.loading = false;
    });
  },
  methods: {
    option(title, formatter, label, vaule) {
      return {
        title: {
          text: title,
          x: "center",
        },
        tooltip: {
          trigger: "item",
          formatter: formatter,
        },
        xAxis: {
          type: "category",
          data: label,
        },
        grid: {
          left: 10,
          right: 10,
          bottom: 20,
          top: 30,
          containLabel: true,
        },
        yAxis: {
          type: "value",
        },
        series: [
          {
            data: vaule,
            type: "line",
          },
        ],
      };
    },
  },
};
</script>

<style lang="scss" scoped>
.dashboard-container {
  padding: 32px;
  background-color: rgb(240, 242, 245);
  position: relative;

  .chart-wrapper {
    background: #fff;
    padding: 16px 16px 0;
    margin-bottom: 32px;
  }
}

@media (max-width: 1024px) {
  .chart-wrapper {
    padding: 8px;
  }
}

.dashboard-editor-container {
  padding: 32px;
  background-color: rgb(240, 242, 245);
  position: relative;

  .github-corner {
    position: absolute;
    top: 0px;
    border: 0;
    right: 0;
  }

  .chart-wrapper {
    background: #fff;
    padding: 16px 16px 0;
    margin-bottom: 32px;
  }
}

@media (max-width: 1024px) {
  .chart-wrapper {
    padding: 8px;
  }
}

.panel-group {
  margin-top: 18px;

  .card-panel-col {
    margin-bottom: 32px;
  }

  .card-panel {
    height: 108px;
    cursor: pointer;
    font-size: 12px;
    position: relative;
    overflow: hidden;
    color: #666;
    background: #fff;
    box-shadow: 4px 4px 40px rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.05);

    &:hover {
      .card-panel-icon-wrapper {
        color: #fff;
      }

      .icon-people {
        background: #40c9c6;
      }

      .icon-message {
        background: #36a3f7;
      }

      .icon-money {
        background: #f4516c;
      }

      .icon-shopping {
        background: #34bfa3;
      }
    }

    .icon-people {
      color: #40c9c6;
    }

    .icon-message {
      color: #36a3f7;
    }

    .icon-money {
      color: #f4516c;
    }

    .icon-shopping {
      color: #34bfa3;
    }

    .card-panel-icon-wrapper {
      float: left;
      margin: 14px 0 0 14px;
      padding: 16px;
      transition: all 0.38s ease-out;
      border-radius: 6px;
    }

    .card-panel-icon {
      float: left;
      font-size: 48px;
    }

    .card-panel-description {
      float: right;
      font-weight: bold;
      margin: 26px;
      margin-left: 0px;

      .card-panel-text {
        line-height: 18px;
        color: rgba(0, 0, 0, 0.45);
        font-size: 16px;
        margin-bottom: 12px;
      }

      .card-panel-num {
        font-size: 20px;
      }
    }
  }
}

@media (max-width: 550px) {
  .card-panel-description {
    display: none;
  }

  .card-panel-icon-wrapper {
    float: none !important;
    width: 100%;
    height: 100%;
    margin: 0 !important;

    .svg-icon {
      display: block;
      margin: 14px auto !important;
      float: none !important;
    }
  }
}

.echarts-line {
  background: #fff;
  padding: 16px 16px 0;
  margin-bottom: 32px;
}
</style>
